254331152546321 has 2 divisors, whose sum is σ = 254331152546322. Its totient is φ = 254331152546320.

The previous prime is 254331152546293. The next prime is 254331152546347. The reversal of 254331152546321 is 123645251133452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201402617506321 + 52928535040000 = 14191639^2 + 7275200^2 .

It is a cyclic number.

It is not a de Polignac number, because 254331152546321 - 2⁶ = 254331152546257 is a prime.

It is not a weakly prime, because it can be changed into another prime (254331152546221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127165576273160 + 127165576273161.

It is an arithmetic number, because the mean of its divisors is an integer number (127165576273161).

Almost surely, 2^{254331152546321} is an apocalyptic number.

It is an amenable number.

254331152546321 is a deficient number, since it is larger than the sum of its proper divisors (1).

254331152546321 is an equidigital number, since it uses as much as digits as its factorization.

254331152546321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592000, while the sum is 47.

The spelling of 254331152546321 in words is "two hundred fifty-four trillion, three hundred thirty-one billion, one hundred fifty-two million, five hundred forty-six thousand, three hundred twenty-one".